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Question

Free Electrons are


A

Valence electrons that are not bound to the nucleus

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B

Inner orbit electrons that are not bound to the nucleus

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C

Valence electrons that are bound to the nucleus

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D

Valence electrons that are only on the metal surface

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Solution

The correct option is A

Valence electrons that are not bound to the nucleus


Free electrons are the valence electrons that are not bound to the nucleus and are free to move in a conductor. These free electrons make the metal a good conductor.


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